Dental Tray Dental Anterior Jig set Lucia Jig Set Dental Lab Impression Trays to Achieve centric relation ----The Lucia Jig will help obtain centric relation by de-programming muscles and allowing the condyles to seat in the most superior position. Available as a kit or individual sizes. ----Material: Aluminium Alloy, Can be reusable for many times. ----Quantity ： 1 set ( 1 piece big+ 2pcs small of each) Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.